Doctor profile · Federal record
Dr. Ralph Blair, M.D.
Hospitalist Physician · Internal Medicine Physician · Infectious Disease Physician · Cambridge, MA
- NPI 1275568230
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Mount Auburn St
Cambridge, MA 021385502
(617) 492-3500 - Mailing address
-
147 Milk St, Provider Enrollment - 9Th Floor
Boston, MA 021094806
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Massachusetts #51227
- Medicaid
- MA #3004481
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275568230. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
181
Distinct HCPCS
4
Medicare allowed
$21,127
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 70 | 30 | $84 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 55 | 31 | $126 | |
99239 |
Hospital discharge day management, more than 30 minutes | 33 | 32 | $123 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 23 | $184 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 67. This provider delivers 2.7× the peer median.Frequently asked questions
What is Dr. Ralph Blair's medical specialty?
Dr. Ralph Blair practices Hospitalist Physician in Cambridge, MA.
Where does Dr. Ralph Blair practice?
Dr. Ralph Blair practices at 330 Mount Auburn St, Cambridge, MA 021385502. Office phone: 6174923500.
What is Dr. Ralph Blair's NPI?
Dr. Ralph Blair's National Provider Identifier (NPI) is 1275568230, issued by NPPES.
What procedures does Dr. Ralph Blair commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.